Gandu in Summer
In summer (December, January and February), Gandu sees average daytime highs around 29°C and overnight lows near 21°C, with 262 mm of rain over about 55 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels oppressive.
Summer is Gandu's weakest season of the year to visit on our travel score. For the whole year in context, see Gandu's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 262 mm
- 55 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Gandu in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Gandu reaches about 29°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in Gandu
Once humidity and wind are folded in, summer brings about 20 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Gandu weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 21° | 93 | 19.6 | 12.7 | 4.3 |
| Feb | 29° / 21° | 77 | 18.7 | 12.5 | 4.1 |
| Mar | 29° / 21° | 101 | 21.8 | 12.1 | 4.0 |
| Apr | 28° / 21° | 95 | 22.4 | 11.7 | 4.3 |
| May | 26° / 20° | 74 | 19.2 | 11.4 | 5.2 |
| Jun | 25° / 19° | 72 | 19.7 | 11.2 | 5.3 |
| Jul | 24° / 18° | 80 | 21 | 11.3 | 5.3 |
| Aug | 25° / 17° | 70 | 19.4 | 11.5 | 5.4 |
| Sep | 26° / 18° | 59 | 16.7 | 11.9 | 5.6 |
| Oct | 27° / 20° | 68 | 16.8 | 12.3 | 5.5 |
| Nov | 28° / 21° | 107 | 17.7 | 12.6 | 5.1 |
| Dec | 29° / 21° | 92 | 16.2 | 12.8 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 18% of the time across summer.
Chance of precipitation in Summer
Gandu gets around 262 mm of rain over 55 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 48 min in early December to 12 h 18 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².
Is summer a good time to visit Gandu?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Gandu for sightseeing.
What to pack for Gandu in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Gandu sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 55 days see rain.
Sea temperature near Gandu in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 67 km away) is warmest in March at about 28°C and coldest in August near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 28 | 28 | 26 | 26 | 25 | 26 | 26 | 27 | 27 |
| Comfort | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 28 | Warm |
| Jun | 26 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in Gandu in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gandu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 15 | 12 | 9 | 8 | 8 | 10 | 11 | 13 | 14 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 12 | Extreme |
Where is Gandu?
Gandu sits at 13.7°S, 39.5°W, 159 m above sea level, in Brazil. The nearest listed city is Wenceslau Guimarães, 7.0 km away.
Topography around Gandu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gandu.
Within 3 km, the terrain around Gandu has significant variations in elevation — a maximum elevation change of 270 m around an average of 208 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 970 m.
The land around Gandu is covered by trees (78%) within 3 km, trees (84%) within 16 km, and trees (63%) and grassland (24%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gandu (-13.7439°, -39.4867°, elevation 159 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.